import java.util.Scanner;
class Calculator{
    private int num1;
    private int num2;
    private char option;

    public int getNum1() {
        return num1;
    }

    public void setNum1(int num1) {
        this.num1 = num1;
    }

    public int getNum2() {
        return num2;
    }

    public void setNum2(int num2) {
        this.num2 = num2;
    }

    public char getOption() {
        return option;
    }

    public void setOption(char option) {
        this.option = option;
    }
    public void count(){
        int result1 = num1+num2;
        int result2 = num1-num2;
        int result3 = num1*num2;
        int result4= num1/num2;
        System.out.println("num1+num2="+result1);
        System.out.println("num1-num2="+result2);
        System.out.println("num1*num2="+result3);
        System.out.println("num1/num2="+result4);
    }
}
public class Main3 {
    public static void main(String[] args) {
        Calculator calculator = new Calculator();
        Scanner sc = new Scanner(System.in);
        calculator.setNum1(sc.nextInt());  // 输入数字1
        calculator.setNum2(sc.nextInt()); // 输入数字2
        calculator.count();
    }
}